METHOD FOR CLOSED LOOP CONTROL OF THE IDLE ROTATION SPEED OF AN INTERNAL COMBUSTION ENGINE WITH A SAFETY FUNCTION FOR ANOMALIES OF OPERATION OF THE BUTTERFLY OPENING DETECTION DEVICE

摘要

The invention relates to a closed-loop control method of the idling rate of an internal combustion engine with a safety function for abnormalities in the operation of the throttle opening detecting device. / P p align = "JUSTIFY" P P THE METHOD CONSISTS OF DETERMINING WHETHER THE SIGNAL INDICATING THE OPENING VALUE OF THE BUTTERFLY FROM AN OPENING SENSOR 17 HAS AN ABNORMAL VALUE OR NOT, AND PROVIDING A MAXIMUM AMOUNT OF ADDITIONAL AIR TO THE ENGINE. WHERE THE VALUE OF THE SIGNAL IS ABNORMAL. / P P THE INVENTION APPLIES IN PARTICULAR TO MOTORS OF MOTOR VEHICLES. / P